Auxerre Population and Area (Yonne)
Largest city in France 2026: up-to-date figures for Auxerre (Yonne)
Auxerre: Population and Area
With 36,245 inhabitants (INSEE total population in force on January 1, 2026), Auxerre is the 234th most populous town in France in 2026 and the most populous in the Yonne department, out of 423 communes. It covers 50 km² (1,185th largest area in France, 13th largest in the department), with a population density of 726 inhabitants per km², or 6.6 times the national average (110 inhabitants/km²), which ranks it 1,297th in France for density.
Auxerre is located in the Yonne department (89), in the Bourgogne-Franche-Comté region (formerly Burgundy), where it ranks 5th by population out of 3,685 communes. It is the most populous town in the Yonne department, which is home to 340,359 people over 7,427 km².
See the full ranking of communes in the Yonne department and the regional ranking: largest city in Bourgogne-Franche-Comté.
Towns of similar size in the Yonne department: Sens (pop. 27,600), Joigny (pop. 9,306), Migennes (pop. 6,765).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 89024. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.